| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d5976ba69a401cf70e6f8d1978e47a82 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-58
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-6506
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-3873
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-386 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-6506
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-58 |
| filingDate |
2007-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4b63d3282b0d438cee2fcd2d4e8c5fc2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_21151630b74626660d94d5612a412a82 |
| publicationDate |
2009-12-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2009326227-A1 |
| titleOfInvention |
Process for the Preparation of Biphosphonic Acids and Salts Thereof |
| abstract |
A process for the preparation of biphosphonic acids and pharmaceutical acceptable salts thereof, comprises reacting a carboxylic acid with phosphorous trichloride and phosphorous acid in the presence of an aprotic polar solvent. Formula (I): |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009182147-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010121066-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8076483-B2 |
| priorityDate |
2006-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |